Home / 6,721.13-9,276.30-4,370.10

Finding the Fourth Proportional to 6,721.13, 9,276.30 and 4,370.10

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Solution

The fourth proportional to 6,721.13, 9,276.30 and 4,370.10 is: 6,031.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,721.13 : 9,276.30 = 4,370.10 : x
  2. Step 2: Convert to fraction form
    6,721.13/9,276.30 = 4,370.10/x
  3. Step 3: Cross multiply
    6,721.13x = 9,276.30 × 4,370.10
  4. Step 4: Simplify right side
    6,721.13x = 40,538,358.63
  5. Step 5: Solve for x
    x = 40,538,358.63/6,721.13
  6. Step 6: Final answer
    x = 6,031.48

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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.