Home / 4,580.32-6,870.48-2,631.28

Finding the Fourth Proportional to 4,580.32, 6,870.48 and 2,631.28

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Solution

The fourth proportional to 4,580.32, 6,870.48 and 2,631.28 is: 3,946.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,580.32 : 6,870.48 = 2,631.28 : x
  2. Step 2: Convert to fraction form
    4,580.32/6,870.48 = 2,631.28/x
  3. Step 3: Cross multiply
    4,580.32x = 6,870.48 × 2,631.28
  4. Step 4: Simplify right side
    4,580.32x = 18,078,156.61
  5. Step 5: Solve for x
    x = 18,078,156.61/4,580.32
  6. Step 6: Final answer
    x = 3,946.92

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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.