Home / 4,859.85-7,288.56-1,397.10

Finding the Fourth Proportional to 4,859.85, 7,288.56 and 1,397.10

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Solution

The fourth proportional to 4,859.85, 7,288.56 and 1,397.10 is: 2,095.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,859.85 : 7,288.56 = 1,397.10 : x
  2. Step 2: Convert to fraction form
    4,859.85/7,288.56 = 1,397.10/x
  3. Step 3: Cross multiply
    4,859.85x = 7,288.56 × 1,397.10
  4. Step 4: Simplify right side
    4,859.85x = 10,182,821.97
  5. Step 5: Solve for x
    x = 10,182,821.97/4,859.85
  6. Step 6: Final answer
    x = 2,095.30

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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.