Home / 7,397.35-10,208.28-4,040.16

Finding the Fourth Proportional to 7,397.35, 10,208.28 and 4,040.16

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Solution

The fourth proportional to 7,397.35, 10,208.28 and 4,040.16 is: 5,575.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,397.35 : 10,208.28 = 4,040.16 : x
  2. Step 2: Convert to fraction form
    7,397.35/10,208.28 = 4,040.16/x
  3. Step 3: Cross multiply
    7,397.35x = 10,208.28 × 4,040.16
  4. Step 4: Simplify right side
    7,397.35x = 41,243,061.39
  5. Step 5: Solve for x
    x = 41,243,061.39/7,397.35
  6. Step 6: Final answer
    x = 5,575.39

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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.