Home / 6,987.48-9,635.58-4,628.76

Finding the Fourth Proportional to 6,987.48, 9,635.58 and 4,628.76

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Solution

The fourth proportional to 6,987.48, 9,635.58 and 4,628.76 is: 6,382.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,987.48 : 9,635.58 = 4,628.76 : x
  2. Step 2: Convert to fraction form
    6,987.48/9,635.58 = 4,628.76/x
  3. Step 3: Cross multiply
    6,987.48x = 9,635.58 × 4,628.76
  4. Step 4: Simplify right side
    6,987.48x = 44,600,787.28
  5. Step 5: Solve for x
    x = 44,600,787.28/6,987.48
  6. Step 6: Final answer
    x = 6,382.96

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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.