Home / 9,303.96-12,838.32-5,527.20

Finding the Fourth Proportional to 9,303.96, 12,838.32 and 5,527.20

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Solution

The fourth proportional to 9,303.96, 12,838.32 and 5,527.20 is: 7,626.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,303.96 : 12,838.32 = 5,527.20 : x
  2. Step 2: Convert to fraction form
    9,303.96/12,838.32 = 5,527.20/x
  3. Step 3: Cross multiply
    9,303.96x = 12,838.32 × 5,527.20
  4. Step 4: Simplify right side
    9,303.96x = 70,959,962.30
  5. Step 5: Solve for x
    x = 70,959,962.30/9,303.96
  6. Step 6: Final answer
    x = 7,626.86

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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.