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Finding the Fourth Proportional to 6,898.32, 10,347.48 and 2,946.24

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Solution

The fourth proportional to 6,898.32, 10,347.48 and 2,946.24 is: 4,419.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,898.32 : 10,347.48 = 2,946.24 : x
  2. Step 2: Convert to fraction form
    6,898.32/10,347.48 = 2,946.24/x
  3. Step 3: Cross multiply
    6,898.32x = 10,347.48 × 2,946.24
  4. Step 4: Simplify right side
    6,898.32x = 30,486,159.48
  5. Step 5: Solve for x
    x = 30,486,159.48/6,898.32
  6. Step 6: Final answer
    x = 4,419.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.