Home / 5,312.18-7,330.71-2,954.30

Finding the Fourth Proportional to 5,312.18, 7,330.71 and 2,954.30

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Solution

The fourth proportional to 5,312.18, 7,330.71 and 2,954.30 is: 4,076.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.18 : 7,330.71 = 2,954.30 : x
  2. Step 2: Convert to fraction form
    5,312.18/7,330.71 = 2,954.30/x
  3. Step 3: Cross multiply
    5,312.18x = 7,330.71 × 2,954.30
  4. Step 4: Simplify right side
    5,312.18x = 21,657,116.55
  5. Step 5: Solve for x
    x = 21,657,116.55/5,312.18
  6. Step 6: Final answer
    x = 4,076.88

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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.