Home / 7,488.89-11,237.28-5,732.81

Finding the Fourth Proportional to 7,488.89, 11,237.28 and 5,732.81

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Solution

The fourth proportional to 7,488.89, 11,237.28 and 5,732.81 is: 8,602.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.89 : 11,237.28 = 5,732.81 : x
  2. Step 2: Convert to fraction form
    7,488.89/11,237.28 = 5,732.81/x
  3. Step 3: Cross multiply
    7,488.89x = 11,237.28 × 5,732.81
  4. Step 4: Simplify right side
    7,488.89x = 64,421,191.16
  5. Step 5: Solve for x
    x = 64,421,191.16/7,488.89
  6. Step 6: Final answer
    x = 8,602.23

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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.