Home / 8,298.16-12,450.60-4,142.32

Finding the Fourth Proportional to 8,298.16, 12,450.60 and 4,142.32

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Solution

The fourth proportional to 8,298.16, 12,450.60 and 4,142.32 is: 6,215.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,298.16 : 12,450.60 = 4,142.32 : x
  2. Step 2: Convert to fraction form
    8,298.16/12,450.60 = 4,142.32/x
  3. Step 3: Cross multiply
    8,298.16x = 12,450.60 × 4,142.32
  4. Step 4: Simplify right side
    8,298.16x = 51,574,369.39
  5. Step 5: Solve for x
    x = 51,574,369.39/8,298.16
  6. Step 6: Final answer
    x = 6,215.16

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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.