Home / 7,518.16-10,374.60-4,160.08

Finding the Fourth Proportional to 7,518.16, 10,374.60 and 4,160.08

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Solution

The fourth proportional to 7,518.16, 10,374.60 and 4,160.08 is: 5,740.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.16 : 10,374.60 = 4,160.08 : x
  2. Step 2: Convert to fraction form
    7,518.16/10,374.60 = 4,160.08/x
  3. Step 3: Cross multiply
    7,518.16x = 10,374.60 × 4,160.08
  4. Step 4: Simplify right side
    7,518.16x = 43,159,165.97
  5. Step 5: Solve for x
    x = 43,159,165.97/7,518.16
  6. Step 6: Final answer
    x = 5,740.66

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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.