Home / 7,090.41-9,781.93-4,257.95

Finding the Fourth Proportional to 7,090.41, 9,781.93 and 4,257.95

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Solution

The fourth proportional to 7,090.41, 9,781.93 and 4,257.95 is: 5,874.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.41 : 9,781.93 = 4,257.95 : x
  2. Step 2: Convert to fraction form
    7,090.41/9,781.93 = 4,257.95/x
  3. Step 3: Cross multiply
    7,090.41x = 9,781.93 × 4,257.95
  4. Step 4: Simplify right side
    7,090.41x = 41,650,925.26
  5. Step 5: Solve for x
    x = 41,650,925.26/7,090.41
  6. Step 6: Final answer
    x = 5,874.26

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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.