Home / 6,484.32-8,948.88-4,985.28

Finding the Fourth Proportional to 6,484.32, 8,948.88 and 4,985.28

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Solution

The fourth proportional to 6,484.32, 8,948.88 and 4,985.28 is: 6,880.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,484.32 : 8,948.88 = 4,985.28 : x
  2. Step 2: Convert to fraction form
    6,484.32/8,948.88 = 4,985.28/x
  3. Step 3: Cross multiply
    6,484.32x = 8,948.88 × 4,985.28
  4. Step 4: Simplify right side
    6,484.32x = 44,612,672.49
  5. Step 5: Solve for x
    x = 44,612,672.49/6,484.32
  6. Step 6: Final answer
    x = 6,880.08

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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.