Home / 8,899.09-12,280.35-4,865.81

Finding the Fourth Proportional to 8,899.09, 12,280.35 and 4,865.81

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Solution

The fourth proportional to 8,899.09, 12,280.35 and 4,865.81 is: 6,714.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,899.09 : 12,280.35 = 4,865.81 : x
  2. Step 2: Convert to fraction form
    8,899.09/12,280.35 = 4,865.81/x
  3. Step 3: Cross multiply
    8,899.09x = 12,280.35 × 4,865.81
  4. Step 4: Simplify right side
    8,899.09x = 59,753,875.76
  5. Step 5: Solve for x
    x = 59,753,875.76/8,899.09
  6. Step 6: Final answer
    x = 6,714.61

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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.