Home / 8,529.05-12,807.47-5,262.91

Finding the Fourth Proportional to 8,529.05, 12,807.47 and 5,262.91

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Solution

The fourth proportional to 8,529.05, 12,807.47 and 5,262.91 is: 7,902.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,529.05 : 12,807.47 = 5,262.91 : x
  2. Step 2: Convert to fraction form
    8,529.05/12,807.47 = 5,262.91/x
  3. Step 3: Cross multiply
    8,529.05x = 12,807.47 × 5,262.91
  4. Step 4: Simplify right side
    8,529.05x = 67,404,543.08
  5. Step 5: Solve for x
    x = 67,404,543.08/8,529.05
  6. Step 6: Final answer
    x = 7,902.93

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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.