Home / 8,417.86-11,616.48-4,641.03

Finding the Fourth Proportional to 8,417.86, 11,616.48 and 4,641.03

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Solution

The fourth proportional to 8,417.86, 11,616.48 and 4,641.03 is: 6,404.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,417.86 : 11,616.48 = 4,641.03 : x
  2. Step 2: Convert to fraction form
    8,417.86/11,616.48 = 4,641.03/x
  3. Step 3: Cross multiply
    8,417.86x = 11,616.48 × 4,641.03
  4. Step 4: Simplify right side
    8,417.86x = 53,912,432.17
  5. Step 5: Solve for x
    x = 53,912,432.17/8,417.86
  6. Step 6: Final answer
    x = 6,404.53

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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.