Home / 5,256.40-7,253.96-2,898.60

Finding the Fourth Proportional to 5,256.40, 7,253.96 and 2,898.60

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Solution

The fourth proportional to 5,256.40, 7,253.96 and 2,898.60 is: 4,000.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,256.40 : 7,253.96 = 2,898.60 : x
  2. Step 2: Convert to fraction form
    5,256.40/7,253.96 = 2,898.60/x
  3. Step 3: Cross multiply
    5,256.40x = 7,253.96 × 2,898.60
  4. Step 4: Simplify right side
    5,256.40x = 21,026,328.46
  5. Step 5: Solve for x
    x = 21,026,328.46/5,256.40
  6. Step 6: Final answer
    x = 4,000.14

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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.