Home / 7,442.18-10,270.49-4,085.13

Finding the Fourth Proportional to 7,442.18, 10,270.49 and 4,085.13

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Solution

The fourth proportional to 7,442.18, 10,270.49 and 4,085.13 is: 5,637.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,442.18 : 10,270.49 = 4,085.13 : x
  2. Step 2: Convert to fraction form
    7,442.18/10,270.49 = 4,085.13/x
  3. Step 3: Cross multiply
    7,442.18x = 10,270.49 × 4,085.13
  4. Step 4: Simplify right side
    7,442.18x = 41,956,266.39
  5. Step 5: Solve for x
    x = 41,956,266.39/7,442.18
  6. Step 6: Final answer
    x = 5,637.64

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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.