Home / 7,340.26-10,128.89-4,355.58

Finding the Fourth Proportional to 7,340.26, 10,128.89 and 4,355.58

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Solution

The fourth proportional to 7,340.26, 10,128.89 and 4,355.58 is: 6,010.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340.26 : 10,128.89 = 4,355.58 : x
  2. Step 2: Convert to fraction form
    7,340.26/10,128.89 = 4,355.58/x
  3. Step 3: Cross multiply
    7,340.26x = 10,128.89 × 4,355.58
  4. Step 4: Simplify right side
    7,340.26x = 44,117,190.71
  5. Step 5: Solve for x
    x = 44,117,190.71/7,340.26
  6. Step 6: Final answer
    x = 6,010.30

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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.