Home / 7,276.68-10,045.83-4,890.12

Finding the Fourth Proportional to 7,276.68, 10,045.83 and 4,890.12

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Solution

The fourth proportional to 7,276.68, 10,045.83 and 4,890.12 is: 6,751.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,276.68 : 10,045.83 = 4,890.12 : x
  2. Step 2: Convert to fraction form
    7,276.68/10,045.83 = 4,890.12/x
  3. Step 3: Cross multiply
    7,276.68x = 10,045.83 × 4,890.12
  4. Step 4: Simplify right side
    7,276.68x = 49,125,314.20
  5. Step 5: Solve for x
    x = 49,125,314.20/7,276.68
  6. Step 6: Final answer
    x = 6,751.06

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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.