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Finding the Fourth Proportional to 4,307.81, 5,947.04 and 2,898.91

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Solution

The fourth proportional to 4,307.81, 5,947.04 and 2,898.91 is: 4,002.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,307.81 : 5,947.04 = 2,898.91 : x
  2. Step 2: Convert to fraction form
    4,307.81/5,947.04 = 2,898.91/x
  3. Step 3: Cross multiply
    4,307.81x = 5,947.04 × 2,898.91
  4. Step 4: Simplify right side
    4,307.81x = 17,239,929.92
  5. Step 5: Solve for x
    x = 17,239,929.92/4,307.81
  6. Step 6: Final answer
    x = 4,002.01

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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.