Home / 9,298.86-12,828.65-5,319.06

Finding the Fourth Proportional to 9,298.86, 12,828.65 and 5,319.06

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Solution

The fourth proportional to 9,298.86, 12,828.65 and 5,319.06 is: 7,338.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,298.86 : 12,828.65 = 5,319.06 : x
  2. Step 2: Convert to fraction form
    9,298.86/12,828.65 = 5,319.06/x
  3. Step 3: Cross multiply
    9,298.86x = 12,828.65 × 5,319.06
  4. Step 4: Simplify right side
    9,298.86x = 68,236,332.47
  5. Step 5: Solve for x
    x = 68,236,332.47/9,298.86
  6. Step 6: Final answer
    x = 7,338.14

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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.