Home / 8,911.64-12,298.26-5,773.28

Finding the Fourth Proportional to 8,911.64, 12,298.26 and 5,773.28

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Solution

The fourth proportional to 8,911.64, 12,298.26 and 5,773.28 is: 7,967.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,911.64 : 12,298.26 = 5,773.28 : x
  2. Step 2: Convert to fraction form
    8,911.64/12,298.26 = 5,773.28/x
  3. Step 3: Cross multiply
    8,911.64x = 12,298.26 × 5,773.28
  4. Step 4: Simplify right side
    8,911.64x = 71,001,298.49
  5. Step 5: Solve for x
    x = 71,001,298.49/8,911.64
  6. Step 6: Final answer
    x = 7,967.25

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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.