Home / 8,457.32-12,671.58-6,607.72

Finding the Fourth Proportional to 8,457.32, 12,671.58 and 6,607.72

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Solution

The fourth proportional to 8,457.32, 12,671.58 and 6,607.72 is: 9,900.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,457.32 : 12,671.58 = 6,607.72 : x
  2. Step 2: Convert to fraction form
    8,457.32/12,671.58 = 6,607.72/x
  3. Step 3: Cross multiply
    8,457.32x = 12,671.58 × 6,607.72
  4. Step 4: Simplify right side
    8,457.32x = 83,730,252.60
  5. Step 5: Solve for x
    x = 83,730,252.60/8,457.32
  6. Step 6: Final answer
    x = 9,900.33

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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.