Home / 8,391.61-11,580.56-4,614.94

Finding the Fourth Proportional to 8,391.61, 11,580.56 and 4,614.94

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Solution

The fourth proportional to 8,391.61, 11,580.56 and 4,614.94 is: 6,368.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,391.61 : 11,580.56 = 4,614.94 : x
  2. Step 2: Convert to fraction form
    8,391.61/11,580.56 = 4,614.94/x
  3. Step 3: Cross multiply
    8,391.61x = 11,580.56 × 4,614.94
  4. Step 4: Simplify right side
    8,391.61x = 53,443,566.49
  5. Step 5: Solve for x
    x = 53,443,566.49/8,391.61
  6. Step 6: Final answer
    x = 6,368.69

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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.