Home / 8,756.96-12,073.52-5,607.84

Finding the Fourth Proportional to 8,756.96, 12,073.52 and 5,607.84

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Solution

The fourth proportional to 8,756.96, 12,073.52 and 5,607.84 is: 7,731.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.96 : 12,073.52 = 5,607.84 : x
  2. Step 2: Convert to fraction form
    8,756.96/12,073.52 = 5,607.84/x
  3. Step 3: Cross multiply
    8,756.96x = 12,073.52 × 5,607.84
  4. Step 4: Simplify right side
    8,756.96x = 67,706,368.40
  5. Step 5: Solve for x
    x = 67,706,368.40/8,756.96
  6. Step 6: Final answer
    x = 7,731.72

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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.