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Finding the Fourth Proportional to 7,590.80, 10,480.53 and 4,759.32

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Solution

The fourth proportional to 7,590.80, 10,480.53 and 4,759.32 is: 6,571.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,590.80 : 10,480.53 = 4,759.32 : x
  2. Step 2: Convert to fraction form
    7,590.80/10,480.53 = 4,759.32/x
  3. Step 3: Cross multiply
    7,590.80x = 10,480.53 × 4,759.32
  4. Step 4: Simplify right side
    7,590.80x = 49,880,196.04
  5. Step 5: Solve for x
    x = 49,880,196.04/7,590.80
  6. Step 6: Final answer
    x = 6,571.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.