Home / 8,312.16-12,466.80-2,467.20

Finding the Fourth Proportional to 8,312.16, 12,466.80 and 2,467.20

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Solution

The fourth proportional to 8,312.16, 12,466.80 and 2,467.20 is: 3,700.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,312.16 : 12,466.80 = 2,467.20 : x
  2. Step 2: Convert to fraction form
    8,312.16/12,466.80 = 2,467.20/x
  3. Step 3: Cross multiply
    8,312.16x = 12,466.80 × 2,467.20
  4. Step 4: Simplify right side
    8,312.16x = 30,758,088.96
  5. Step 5: Solve for x
    x = 30,758,088.96/8,312.16
  6. Step 6: Final answer
    x = 3,700.37

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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.