Home / 7,345.74-10,137.51-4,202.46

Finding the Fourth Proportional to 7,345.74, 10,137.51 and 4,202.46

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Solution

The fourth proportional to 7,345.74, 10,137.51 and 4,202.46 is: 5,799.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,345.74 : 10,137.51 = 4,202.46 : x
  2. Step 2: Convert to fraction form
    7,345.74/10,137.51 = 4,202.46/x
  3. Step 3: Cross multiply
    7,345.74x = 10,137.51 × 4,202.46
  4. Step 4: Simplify right side
    7,345.74x = 42,602,480.27
  5. Step 5: Solve for x
    x = 42,602,480.27/7,345.74
  6. Step 6: Final answer
    x = 5,799.62

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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.