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Finding the Fourth Proportional to 7,486.03, 10,337.70 and 4,696.39

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Solution

The fourth proportional to 7,486.03, 10,337.70 and 4,696.39 is: 6,485.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.03 : 10,337.70 = 4,696.39 : x
  2. Step 2: Convert to fraction form
    7,486.03/10,337.70 = 4,696.39/x
  3. Step 3: Cross multiply
    7,486.03x = 10,337.70 × 4,696.39
  4. Step 4: Simplify right side
    7,486.03x = 48,549,870.90
  5. Step 5: Solve for x
    x = 48,549,870.90/7,486.03
  6. Step 6: Final answer
    x = 6,485.40

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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.