Home / 9,298.10-12,831.48-5,319.38

Finding the Fourth Proportional to 9,298.10, 12,831.48 and 5,319.38

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Solution

The fourth proportional to 9,298.10, 12,831.48 and 5,319.38 is: 7,340.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,298.10 : 12,831.48 = 5,319.38 : x
  2. Step 2: Convert to fraction form
    9,298.10/12,831.48 = 5,319.38/x
  3. Step 3: Cross multiply
    9,298.10x = 12,831.48 × 5,319.38
  4. Step 4: Simplify right side
    9,298.10x = 68,255,518.08
  5. Step 5: Solve for x
    x = 68,255,518.08/9,298.10
  6. Step 6: Final answer
    x = 7,340.80

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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.