Home / 7,275.09-10,039.85-4,293.48

Finding the Fourth Proportional to 7,275.09, 10,039.85 and 4,293.48

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Solution

The fourth proportional to 7,275.09, 10,039.85 and 4,293.48 is: 5,925.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,275.09 : 10,039.85 = 4,293.48 : x
  2. Step 2: Convert to fraction form
    7,275.09/10,039.85 = 4,293.48/x
  3. Step 3: Cross multiply
    7,275.09x = 10,039.85 × 4,293.48
  4. Step 4: Simplify right side
    7,275.09x = 43,105,927.46
  5. Step 5: Solve for x
    x = 43,105,927.46/7,275.09
  6. Step 6: Final answer
    x = 5,925.14

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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.