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Finding the Fourth Proportional to 6,152.90, 8,490.98 and 3,358.40

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Solution

The fourth proportional to 6,152.90, 8,490.98 and 3,358.40 is: 4,634.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,152.90 : 8,490.98 = 3,358.40 : x
  2. Step 2: Convert to fraction form
    6,152.90/8,490.98 = 3,358.40/x
  3. Step 3: Cross multiply
    6,152.90x = 8,490.98 × 3,358.40
  4. Step 4: Simplify right side
    6,152.90x = 28,516,047.99
  5. Step 5: Solve for x
    x = 28,516,047.99/6,152.90
  6. Step 6: Final answer
    x = 4,634.57

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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.