Home / 4,580.64-6,870.90-1,117.92

Finding the Fourth Proportional to 4,580.64, 6,870.90 and 1,117.92

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Solution

The fourth proportional to 4,580.64, 6,870.90 and 1,117.92 is: 1,676.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,580.64 : 6,870.90 = 1,117.92 : x
  2. Step 2: Convert to fraction form
    4,580.64/6,870.90 = 1,117.92/x
  3. Step 3: Cross multiply
    4,580.64x = 6,870.90 × 1,117.92
  4. Step 4: Simplify right side
    4,580.64x = 7,681,116.53
  5. Step 5: Solve for x
    x = 7,681,116.53/4,580.64
  6. Step 6: Final answer
    x = 1,676.87

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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.