Home / 7,419.06-10,238.79-4,275.45

Finding the Fourth Proportional to 7,419.06, 10,238.79 and 4,275.45

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Solution

The fourth proportional to 7,419.06, 10,238.79 and 4,275.45 is: 5,900.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,419.06 : 10,238.79 = 4,275.45 : x
  2. Step 2: Convert to fraction form
    7,419.06/10,238.79 = 4,275.45/x
  3. Step 3: Cross multiply
    7,419.06x = 10,238.79 × 4,275.45
  4. Step 4: Simplify right side
    7,419.06x = 43,775,434.71
  5. Step 5: Solve for x
    x = 43,775,434.71/7,419.06
  6. Step 6: Final answer
    x = 5,900.40

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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.