Home / 4,721.55-7,082.86-1,434.66

Finding the Fourth Proportional to 4,721.55, 7,082.86 and 1,434.66

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Solution

The fourth proportional to 4,721.55, 7,082.86 and 1,434.66 is: 2,152.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,721.55 : 7,082.86 = 1,434.66 : x
  2. Step 2: Convert to fraction form
    4,721.55/7,082.86 = 1,434.66/x
  3. Step 3: Cross multiply
    4,721.55x = 7,082.86 × 1,434.66
  4. Step 4: Simplify right side
    4,721.55x = 10,161,495.93
  5. Step 5: Solve for x
    x = 10,161,495.93/4,721.55
  6. Step 6: Final answer
    x = 2,152.15

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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.