Home / 6,368.17-9,551.20-1,688.47

Finding the Fourth Proportional to 6,368.17, 9,551.20 and 1,688.47

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Solution

The fourth proportional to 6,368.17, 9,551.20 and 1,688.47 is: 2,532.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,368.17 : 9,551.20 = 1,688.47 : x
  2. Step 2: Convert to fraction form
    6,368.17/9,551.20 = 1,688.47/x
  3. Step 3: Cross multiply
    6,368.17x = 9,551.20 × 1,688.47
  4. Step 4: Simplify right side
    6,368.17x = 16,126,914.66
  5. Step 5: Solve for x
    x = 16,126,914.66/6,368.17
  6. Step 6: Final answer
    x = 2,532.43

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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.