Home / 6,615.48-9,130.08-4,227.65

Finding the Fourth Proportional to 6,615.48, 9,130.08 and 4,227.65

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Solution

The fourth proportional to 6,615.48, 9,130.08 and 4,227.65 is: 5,834.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,615.48 : 9,130.08 = 4,227.65 : x
  2. Step 2: Convert to fraction form
    6,615.48/9,130.08 = 4,227.65/x
  3. Step 3: Cross multiply
    6,615.48x = 9,130.08 × 4,227.65
  4. Step 4: Simplify right side
    6,615.48x = 38,598,787.15
  5. Step 5: Solve for x
    x = 38,598,787.15/6,615.48
  6. Step 6: Final answer
    x = 5,834.62

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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.