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Finding the Fourth Proportional to 8,328.32, 12,492.16 and 2,088.32

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Solution

The fourth proportional to 8,328.32, 12,492.16 and 2,088.32 is: 3,132.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,328.32 : 12,492.16 = 2,088.32 : x
  2. Step 2: Convert to fraction form
    8,328.32/12,492.16 = 2,088.32/x
  3. Step 3: Cross multiply
    8,328.32x = 12,492.16 × 2,088.32
  4. Step 4: Simplify right side
    8,328.32x = 26,087,627.57
  5. Step 5: Solve for x
    x = 26,087,627.57/8,328.32
  6. Step 6: Final answer
    x = 3,132.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.