Home / 7,642.04-10,545.91-4,284.85

Finding the Fourth Proportional to 7,642.04, 10,545.91 and 4,284.85

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Solution

The fourth proportional to 7,642.04, 10,545.91 and 4,284.85 is: 5,913.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,642.04 : 10,545.91 = 4,284.85 : x
  2. Step 2: Convert to fraction form
    7,642.04/10,545.91 = 4,284.85/x
  3. Step 3: Cross multiply
    7,642.04x = 10,545.91 × 4,284.85
  4. Step 4: Simplify right side
    7,642.04x = 45,187,642.46
  5. Step 5: Solve for x
    x = 45,187,642.46/7,642.04
  6. Step 6: Final answer
    x = 5,913.03

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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.