Home / 7,261.79-10,018.69-5,377.32

Finding the Fourth Proportional to 7,261.79, 10,018.69 and 5,377.32

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Solution

The fourth proportional to 7,261.79, 10,018.69 and 5,377.32 is: 7,418.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,261.79 : 10,018.69 = 5,377.32 : x
  2. Step 2: Convert to fraction form
    7,261.79/10,018.69 = 5,377.32/x
  3. Step 3: Cross multiply
    7,261.79x = 10,018.69 × 5,377.32
  4. Step 4: Simplify right side
    7,261.79x = 53,873,688.67
  5. Step 5: Solve for x
    x = 53,873,688.67/7,261.79
  6. Step 6: Final answer
    x = 7,418.79

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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.