Home / 5,298.08-7,311.56-2,908.13

Finding the Fourth Proportional to 5,298.08, 7,311.56 and 2,908.13

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Solution

The fourth proportional to 5,298.08, 7,311.56 and 2,908.13 is: 4,013.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,298.08 : 7,311.56 = 2,908.13 : x
  2. Step 2: Convert to fraction form
    5,298.08/7,311.56 = 2,908.13/x
  3. Step 3: Cross multiply
    5,298.08x = 7,311.56 × 2,908.13
  4. Step 4: Simplify right side
    5,298.08x = 21,262,970.72
  5. Step 5: Solve for x
    x = 21,262,970.72/5,298.08
  6. Step 6: Final answer
    x = 4,013.34

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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.