Home / 4,972.76-7,458.59-1,275.08

Finding the Fourth Proportional to 4,972.76, 7,458.59 and 1,275.08

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Solution

The fourth proportional to 4,972.76, 7,458.59 and 1,275.08 is: 1,912.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,972.76 : 7,458.59 = 1,275.08 : x
  2. Step 2: Convert to fraction form
    4,972.76/7,458.59 = 1,275.08/x
  3. Step 3: Cross multiply
    4,972.76x = 7,458.59 × 1,275.08
  4. Step 4: Simplify right side
    4,972.76x = 9,510,277.10
  5. Step 5: Solve for x
    x = 9,510,277.10/4,972.76
  6. Step 6: Final answer
    x = 1,912.47

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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.