Home / 8,402.24-11,595.20-5,260.32

Finding the Fourth Proportional to 8,402.24, 11,595.20 and 5,260.32

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Solution

The fourth proportional to 8,402.24, 11,595.20 and 5,260.32 is: 7,259.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,402.24 : 11,595.20 = 5,260.32 : x
  2. Step 2: Convert to fraction form
    8,402.24/11,595.20 = 5,260.32/x
  3. Step 3: Cross multiply
    8,402.24x = 11,595.20 × 5,260.32
  4. Step 4: Simplify right side
    8,402.24x = 60,994,462.46
  5. Step 5: Solve for x
    x = 60,994,462.46/8,402.24
  6. Step 6: Final answer
    x = 7,259.31

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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.