Home / 7,387.49-10,194.74-4,734.90

Finding the Fourth Proportional to 7,387.49, 10,194.74 and 4,734.90

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Solution

The fourth proportional to 7,387.49, 10,194.74 and 4,734.90 is: 6,534.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.49 : 10,194.74 = 4,734.90 : x
  2. Step 2: Convert to fraction form
    7,387.49/10,194.74 = 4,734.90/x
  3. Step 3: Cross multiply
    7,387.49x = 10,194.74 × 4,734.90
  4. Step 4: Simplify right side
    7,387.49x = 48,271,095.26
  5. Step 5: Solve for x
    x = 48,271,095.26/7,387.49
  6. Step 6: Final answer
    x = 6,534.16

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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.