Home / 7,318.08-10,100.16-5,335.20

Finding the Fourth Proportional to 7,318.08, 10,100.16 and 5,335.20

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Solution

The fourth proportional to 7,318.08, 10,100.16 and 5,335.20 is: 7,363.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.08 : 10,100.16 = 5,335.20 : x
  2. Step 2: Convert to fraction form
    7,318.08/10,100.16 = 5,335.20/x
  3. Step 3: Cross multiply
    7,318.08x = 10,100.16 × 5,335.20
  4. Step 4: Simplify right side
    7,318.08x = 53,886,373.63
  5. Step 5: Solve for x
    x = 53,886,373.63/7,318.08
  6. Step 6: Final answer
    x = 7,363.46

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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.