Home / 7,545.77-10,412.09-4,520.18

Finding the Fourth Proportional to 7,545.77, 10,412.09 and 4,520.18

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Solution

The fourth proportional to 7,545.77, 10,412.09 and 4,520.18 is: 6,237.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.77 : 10,412.09 = 4,520.18 : x
  2. Step 2: Convert to fraction form
    7,545.77/10,412.09 = 4,520.18/x
  3. Step 3: Cross multiply
    7,545.77x = 10,412.09 × 4,520.18
  4. Step 4: Simplify right side
    7,545.77x = 47,064,520.98
  5. Step 5: Solve for x
    x = 47,064,520.98/7,545.77
  6. Step 6: Final answer
    x = 6,237.21

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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.