Home / 7,545.71-11,316.80-2,866.28

Finding the Fourth Proportional to 7,545.71, 11,316.80 and 2,866.28

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Solution

The fourth proportional to 7,545.71, 11,316.80 and 2,866.28 is: 4,298.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,545.71 : 11,316.80 = 2,866.28 : x
  2. Step 2: Convert to fraction form
    7,545.71/11,316.80 = 2,866.28/x
  3. Step 3: Cross multiply
    7,545.71x = 11,316.80 × 2,866.28
  4. Step 4: Simplify right side
    7,545.71x = 32,437,046.59
  5. Step 5: Solve for x
    x = 32,437,046.59/7,545.71
  6. Step 6: Final answer
    x = 4,298.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.