Home / 5,606.76-8,415.65-4,278.16

Finding the Fourth Proportional to 5,606.76, 8,415.65 and 4,278.16

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Solution

The fourth proportional to 5,606.76, 8,415.65 and 4,278.16 is: 6,421.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,606.76 : 8,415.65 = 4,278.16 : x
  2. Step 2: Convert to fraction form
    5,606.76/8,415.65 = 4,278.16/x
  3. Step 3: Cross multiply
    5,606.76x = 8,415.65 × 4,278.16
  4. Step 4: Simplify right side
    5,606.76x = 36,003,497.20
  5. Step 5: Solve for x
    x = 36,003,497.20/5,606.76
  6. Step 6: Final answer
    x = 6,421.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.