Home / 7,543.15-10,407.86-4,355.75

Finding the Fourth Proportional to 7,543.15, 10,407.86 and 4,355.75

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Solution

The fourth proportional to 7,543.15, 10,407.86 and 4,355.75 is: 6,009.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,543.15 : 10,407.86 = 4,355.75 : x
  2. Step 2: Convert to fraction form
    7,543.15/10,407.86 = 4,355.75/x
  3. Step 3: Cross multiply
    7,543.15x = 10,407.86 × 4,355.75
  4. Step 4: Simplify right side
    7,543.15x = 45,334,036.20
  5. Step 5: Solve for x
    x = 45,334,036.20/7,543.15
  6. Step 6: Final answer
    x = 6,009.96

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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.