Home / 5,279.02-7,285.02-2,921.08

Finding the Fourth Proportional to 5,279.02, 7,285.02 and 2,921.08

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Solution

The fourth proportional to 5,279.02, 7,285.02 and 2,921.08 is: 4,031.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.02 : 7,285.02 = 2,921.08 : x
  2. Step 2: Convert to fraction form
    5,279.02/7,285.02 = 2,921.08/x
  3. Step 3: Cross multiply
    5,279.02x = 7,285.02 × 2,921.08
  4. Step 4: Simplify right side
    5,279.02x = 21,280,126.22
  5. Step 5: Solve for x
    x = 21,280,126.22/5,279.02
  6. Step 6: Final answer
    x = 4,031.08

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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.