Home / 7,572.40-11,355.32-2,377.20

Finding the Fourth Proportional to 7,572.40, 11,355.32 and 2,377.20

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Solution

The fourth proportional to 7,572.40, 11,355.32 and 2,377.20 is: 3,564.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,572.40 : 11,355.32 = 2,377.20 : x
  2. Step 2: Convert to fraction form
    7,572.40/11,355.32 = 2,377.20/x
  3. Step 3: Cross multiply
    7,572.40x = 11,355.32 × 2,377.20
  4. Step 4: Simplify right side
    7,572.40x = 26,993,866.70
  5. Step 5: Solve for x
    x = 26,993,866.70/7,572.40
  6. Step 6: Final answer
    x = 3,564.77

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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.