Home / 4,737.90-7,106.85-1,275.06

Finding the Fourth Proportional to 4,737.90, 7,106.85 and 1,275.06

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Solution

The fourth proportional to 4,737.90, 7,106.85 and 1,275.06 is: 1,912.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,737.90 : 7,106.85 = 1,275.06 : x
  2. Step 2: Convert to fraction form
    4,737.90/7,106.85 = 1,275.06/x
  3. Step 3: Cross multiply
    4,737.90x = 7,106.85 × 1,275.06
  4. Step 4: Simplify right side
    4,737.90x = 9,061,660.16
  5. Step 5: Solve for x
    x = 9,061,660.16/4,737.90
  6. Step 6: Final answer
    x = 1,912.59

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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.