Home / 9,328.60-12,873.04-5,079.66

Finding the Fourth Proportional to 9,328.60, 12,873.04 and 5,079.66

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Solution

The fourth proportional to 9,328.60, 12,873.04 and 5,079.66 is: 7,009.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,328.60 : 12,873.04 = 5,079.66 : x
  2. Step 2: Convert to fraction form
    9,328.60/12,873.04 = 5,079.66/x
  3. Step 3: Cross multiply
    9,328.60x = 12,873.04 × 5,079.66
  4. Step 4: Simplify right side
    9,328.60x = 65,390,666.37
  5. Step 5: Solve for x
    x = 65,390,666.37/9,328.60
  6. Step 6: Final answer
    x = 7,009.70

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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.