Home / 5,278.02-7,275.29-4,157.18

Finding the Fourth Proportional to 5,278.02, 7,275.29 and 4,157.18

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Solution

The fourth proportional to 5,278.02, 7,275.29 and 4,157.18 is: 5,730.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,278.02 : 7,275.29 = 4,157.18 : x
  2. Step 2: Convert to fraction form
    5,278.02/7,275.29 = 4,157.18/x
  3. Step 3: Cross multiply
    5,278.02x = 7,275.29 × 4,157.18
  4. Step 4: Simplify right side
    5,278.02x = 30,244,718.66
  5. Step 5: Solve for x
    x = 30,244,718.66/5,278.02
  6. Step 6: Final answer
    x = 5,730.32

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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.