Home / 7,430.32-11,144.76-5,360.08

Finding the Fourth Proportional to 7,430.32, 11,144.76 and 5,360.08

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Solution

The fourth proportional to 7,430.32, 11,144.76 and 5,360.08 is: 8,039.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,430.32 : 11,144.76 = 5,360.08 : x
  2. Step 2: Convert to fraction form
    7,430.32/11,144.76 = 5,360.08/x
  3. Step 3: Cross multiply
    7,430.32x = 11,144.76 × 5,360.08
  4. Step 4: Simplify right side
    7,430.32x = 59,736,805.18
  5. Step 5: Solve for x
    x = 59,736,805.18/7,430.32
  6. Step 6: Final answer
    x = 8,039.60

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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.