Home / 4,972.59-6,859.89-2,875.50

Finding the Fourth Proportional to 4,972.59, 6,859.89 and 2,875.50

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Solution

The fourth proportional to 4,972.59, 6,859.89 and 2,875.50 is: 3,966.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.59 : 6,859.89 = 2,875.50 : x
  2. Step 2: Convert to fraction form
    4,972.59/6,859.89 = 2,875.50/x
  3. Step 3: Cross multiply
    4,972.59x = 6,859.89 × 2,875.50
  4. Step 4: Simplify right side
    4,972.59x = 19,725,613.70
  5. Step 5: Solve for x
    x = 19,725,613.70/4,972.59
  6. Step 6: Final answer
    x = 3,966.87

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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.