Home / 7,557.32-10,419.08-6,207.86

Finding the Fourth Proportional to 7,557.32, 10,419.08 and 6,207.86

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Solution

The fourth proportional to 7,557.32, 10,419.08 and 6,207.86 is: 8,558.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,557.32 : 10,419.08 = 6,207.86 : x
  2. Step 2: Convert to fraction form
    7,557.32/10,419.08 = 6,207.86/x
  3. Step 3: Cross multiply
    7,557.32x = 10,419.08 × 6,207.86
  4. Step 4: Simplify right side
    7,557.32x = 64,680,106.83
  5. Step 5: Solve for x
    x = 64,680,106.83/7,557.32
  6. Step 6: Final answer
    x = 8,558.61

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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.