Home / 9,079.34-12,528.80-5,099.68

Finding the Fourth Proportional to 9,079.34, 12,528.80 and 5,099.68

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Solution

The fourth proportional to 9,079.34, 12,528.80 and 5,099.68 is: 7,037.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,079.34 : 12,528.80 = 5,099.68 : x
  2. Step 2: Convert to fraction form
    9,079.34/12,528.80 = 5,099.68/x
  3. Step 3: Cross multiply
    9,079.34x = 12,528.80 × 5,099.68
  4. Step 4: Simplify right side
    9,079.34x = 63,892,929.65
  5. Step 5: Solve for x
    x = 63,892,929.65/9,079.34
  6. Step 6: Final answer
    x = 7,037.18

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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.