Home / 8,913.05-12,298.16-6,042.79

Finding the Fourth Proportional to 8,913.05, 12,298.16 and 6,042.79

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Solution

The fourth proportional to 8,913.05, 12,298.16 and 6,042.79 is: 8,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,913.05 : 12,298.16 = 6,042.79 : x
  2. Step 2: Convert to fraction form
    8,913.05/12,298.16 = 6,042.79/x
  3. Step 3: Cross multiply
    8,913.05x = 12,298.16 × 6,042.79
  4. Step 4: Simplify right side
    8,913.05x = 74,315,228.75
  5. Step 5: Solve for x
    x = 74,315,228.75/8,913.05
  6. Step 6: Final answer
    x = 8,337.80

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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.