Home / 7,657.04-11,488.66-5,190.46

Finding the Fourth Proportional to 7,657.04, 11,488.66 and 5,190.46

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Solution

The fourth proportional to 7,657.04, 11,488.66 and 5,190.46 is: 7,787.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,657.04 : 11,488.66 = 5,190.46 : x
  2. Step 2: Convert to fraction form
    7,657.04/11,488.66 = 5,190.46/x
  3. Step 3: Cross multiply
    7,657.04x = 11,488.66 × 5,190.46
  4. Step 4: Simplify right side
    7,657.04x = 59,631,430.18
  5. Step 5: Solve for x
    x = 59,631,430.18/7,657.04
  6. Step 6: Final answer
    x = 7,787.79

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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.