Home / 6,824.32-9,417.60-4,031.20

Finding the Fourth Proportional to 6,824.32, 9,417.60 and 4,031.20

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Solution

The fourth proportional to 6,824.32, 9,417.60 and 4,031.20 is: 5,563.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,824.32 : 9,417.60 = 4,031.20 : x
  2. Step 2: Convert to fraction form
    6,824.32/9,417.60 = 4,031.20/x
  3. Step 3: Cross multiply
    6,824.32x = 9,417.60 × 4,031.20
  4. Step 4: Simplify right side
    6,824.32x = 37,964,229.12
  5. Step 5: Solve for x
    x = 37,964,229.12/6,824.32
  6. Step 6: Final answer
    x = 5,563.08

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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.