Home / 5,607.76-8,417.15-4,279.16

Finding the Fourth Proportional to 5,607.76, 8,417.15 and 4,279.16

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Solution

The fourth proportional to 5,607.76, 8,417.15 and 4,279.16 is: 6,422.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,607.76 : 8,417.15 = 4,279.16 : x
  2. Step 2: Convert to fraction form
    5,607.76/8,417.15 = 4,279.16/x
  3. Step 3: Cross multiply
    5,607.76x = 8,417.15 × 4,279.16
  4. Step 4: Simplify right side
    5,607.76x = 36,018,331.59
  5. Step 5: Solve for x
    x = 36,018,331.59/5,607.76
  6. Step 6: Final answer
    x = 6,422.94

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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.