Home / 8,157.32-11,263.56-5,326.64

Finding the Fourth Proportional to 8,157.32, 11,263.56 and 5,326.64

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Solution

The fourth proportional to 8,157.32, 11,263.56 and 5,326.64 is: 7,354.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,157.32 : 11,263.56 = 5,326.64 : x
  2. Step 2: Convert to fraction form
    8,157.32/11,263.56 = 5,326.64/x
  3. Step 3: Cross multiply
    8,157.32x = 11,263.56 × 5,326.64
  4. Step 4: Simplify right side
    8,157.32x = 59,996,929.24
  5. Step 5: Solve for x
    x = 59,996,929.24/8,157.32
  6. Step 6: Final answer
    x = 7,354.98

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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.