Home / 8,345.60-12,521.84-3,663.16

Finding the Fourth Proportional to 8,345.60, 12,521.84 and 3,663.16

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Solution

The fourth proportional to 8,345.60, 12,521.84 and 3,663.16 is: 5,496.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,345.60 : 12,521.84 = 3,663.16 : x
  2. Step 2: Convert to fraction form
    8,345.60/12,521.84 = 3,663.16/x
  3. Step 3: Cross multiply
    8,345.60x = 12,521.84 × 3,663.16
  4. Step 4: Simplify right side
    8,345.60x = 45,869,503.41
  5. Step 5: Solve for x
    x = 45,869,503.41/8,345.60
  6. Step 6: Final answer
    x = 5,496.25

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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.