Home / 8,885.04-12,256.48-5,528.40

Finding the Fourth Proportional to 8,885.04, 12,256.48 and 5,528.40

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Solution

The fourth proportional to 8,885.04, 12,256.48 and 5,528.40 is: 7,626.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,885.04 : 12,256.48 = 5,528.40 : x
  2. Step 2: Convert to fraction form
    8,885.04/12,256.48 = 5,528.40/x
  3. Step 3: Cross multiply
    8,885.04x = 12,256.48 × 5,528.40
  4. Step 4: Simplify right side
    8,885.04x = 67,758,724.03
  5. Step 5: Solve for x
    x = 67,758,724.03/8,885.04
  6. Step 6: Final answer
    x = 7,626.16

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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.