Home / 7,214.32-9,955.90-4,070.58

Finding the Fourth Proportional to 7,214.32, 9,955.90 and 4,070.58

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Solution

The fourth proportional to 7,214.32, 9,955.90 and 4,070.58 is: 5,617.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214.32 : 9,955.90 = 4,070.58 : x
  2. Step 2: Convert to fraction form
    7,214.32/9,955.90 = 4,070.58/x
  3. Step 3: Cross multiply
    7,214.32x = 9,955.90 × 4,070.58
  4. Step 4: Simplify right side
    7,214.32x = 40,526,287.42
  5. Step 5: Solve for x
    x = 40,526,287.42/7,214.32
  6. Step 6: Final answer
    x = 5,617.48

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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.