Home / 7,335.20-10,118.96-4,540.32

Finding the Fourth Proportional to 7,335.20, 10,118.96 and 4,540.32

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Solution

The fourth proportional to 7,335.20, 10,118.96 and 4,540.32 is: 6,263.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.20 : 10,118.96 = 4,540.32 : x
  2. Step 2: Convert to fraction form
    7,335.20/10,118.96 = 4,540.32/x
  3. Step 3: Cross multiply
    7,335.20x = 10,118.96 × 4,540.32
  4. Step 4: Simplify right side
    7,335.20x = 45,943,316.47
  5. Step 5: Solve for x
    x = 45,943,316.47/7,335.20
  6. Step 6: Final answer
    x = 6,263.40

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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.