Home / 9,298.04-12,831.90-5,319.68

Finding the Fourth Proportional to 9,298.04, 12,831.90 and 5,319.68

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Solution

The fourth proportional to 9,298.04, 12,831.90 and 5,319.68 is: 7,341.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,298.04 : 12,831.90 = 5,319.68 : x
  2. Step 2: Convert to fraction form
    9,298.04/12,831.90 = 5,319.68/x
  3. Step 3: Cross multiply
    9,298.04x = 12,831.90 × 5,319.68
  4. Step 4: Simplify right side
    9,298.04x = 68,261,601.79
  5. Step 5: Solve for x
    x = 68,261,601.79/9,298.04
  6. Step 6: Final answer
    x = 7,341.50

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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.