Home / 5,124.10-7,686.15-4,908.10

Finding the Fourth Proportional to 5,124.10, 7,686.15 and 4,908.10

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Solution

The fourth proportional to 5,124.10, 7,686.15 and 4,908.10 is: 7,362.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.10 : 7,686.15 = 4,908.10 : x
  2. Step 2: Convert to fraction form
    5,124.10/7,686.15 = 4,908.10/x
  3. Step 3: Cross multiply
    5,124.10x = 7,686.15 × 4,908.10
  4. Step 4: Simplify right side
    5,124.10x = 37,724,392.82
  5. Step 5: Solve for x
    x = 37,724,392.82/5,124.10
  6. Step 6: Final answer
    x = 7,362.15

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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.