Home / 5,252.16-7,878.24-4,392.48

Finding the Fourth Proportional to 5,252.16, 7,878.24 and 4,392.48

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Solution

The fourth proportional to 5,252.16, 7,878.24 and 4,392.48 is: 6,588.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.16 : 7,878.24 = 4,392.48 : x
  2. Step 2: Convert to fraction form
    5,252.16/7,878.24 = 4,392.48/x
  3. Step 3: Cross multiply
    5,252.16x = 7,878.24 × 4,392.48
  4. Step 4: Simplify right side
    5,252.16x = 34,605,011.64
  5. Step 5: Solve for x
    x = 34,605,011.64/5,252.16
  6. Step 6: Final answer
    x = 6,588.72

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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.