Home / 7,491.30-11,223.45-3,587.10

Finding the Fourth Proportional to 7,491.30, 11,223.45 and 3,587.10

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Solution

The fourth proportional to 7,491.30, 11,223.45 and 3,587.10 is: 5,374.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.30 : 11,223.45 = 3,587.10 : x
  2. Step 2: Convert to fraction form
    7,491.30/11,223.45 = 3,587.10/x
  3. Step 3: Cross multiply
    7,491.30x = 11,223.45 × 3,587.10
  4. Step 4: Simplify right side
    7,491.30x = 40,259,637.50
  5. Step 5: Solve for x
    x = 40,259,637.50/7,491.30
  6. Step 6: Final answer
    x = 5,374.19

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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.