Home / 7,430.32-10,254.36-4,287.52

Finding the Fourth Proportional to 7,430.32, 10,254.36 and 4,287.52

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Solution

The fourth proportional to 7,430.32, 10,254.36 and 4,287.52 is: 5,917.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.32 : 10,254.36 = 4,287.52 : x
  2. Step 2: Convert to fraction form
    7,430.32/10,254.36 = 4,287.52/x
  3. Step 3: Cross multiply
    7,430.32x = 10,254.36 × 4,287.52
  4. Step 4: Simplify right side
    7,430.32x = 43,965,773.59
  5. Step 5: Solve for x
    x = 43,965,773.59/7,430.32
  6. Step 6: Final answer
    x = 5,917.08

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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.