Home / 7,689.49-10,610.95-4,545.07

Finding the Fourth Proportional to 7,689.49, 10,610.95 and 4,545.07

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Solution

The fourth proportional to 7,689.49, 10,610.95 and 4,545.07 is: 6,271.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,689.49 : 10,610.95 = 4,545.07 : x
  2. Step 2: Convert to fraction form
    7,689.49/10,610.95 = 4,545.07/x
  3. Step 3: Cross multiply
    7,689.49x = 10,610.95 × 4,545.07
  4. Step 4: Simplify right side
    7,689.49x = 48,227,510.52
  5. Step 5: Solve for x
    x = 48,227,510.52/7,689.49
  6. Step 6: Final answer
    x = 6,271.87

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.