Home / 8,398.79-11,590.49-4,864.05

Finding the Fourth Proportional to 8,398.79, 11,590.49 and 4,864.05

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Solution

The fourth proportional to 8,398.79, 11,590.49 and 4,864.05 is: 6,712.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,398.79 : 11,590.49 = 4,864.05 : x
  2. Step 2: Convert to fraction form
    8,398.79/11,590.49 = 4,864.05/x
  3. Step 3: Cross multiply
    8,398.79x = 11,590.49 × 4,864.05
  4. Step 4: Simplify right side
    8,398.79x = 56,376,735.04
  5. Step 5: Solve for x
    x = 56,376,735.04/8,398.79
  6. Step 6: Final answer
    x = 6,712.48

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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.