Home / 8,554.14-12,807.54-4,385.16

Finding the Fourth Proportional to 8,554.14, 12,807.54 and 4,385.16

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Solution

The fourth proportional to 8,554.14, 12,807.54 and 4,385.16 is: 6,565.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,554.14 : 12,807.54 = 4,385.16 : x
  2. Step 2: Convert to fraction form
    8,554.14/12,807.54 = 4,385.16/x
  3. Step 3: Cross multiply
    8,554.14x = 12,807.54 × 4,385.16
  4. Step 4: Simplify right side
    8,554.14x = 56,163,112.11
  5. Step 5: Solve for x
    x = 56,163,112.11/8,554.14
  6. Step 6: Final answer
    x = 6,565.61

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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.