Home / 7,898.37-10,901.45-5,386.47

Finding the Fourth Proportional to 7,898.37, 10,901.45 and 5,386.47

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Solution

The fourth proportional to 7,898.37, 10,901.45 and 5,386.47 is: 7,434.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,898.37 : 10,901.45 = 5,386.47 : x
  2. Step 2: Convert to fraction form
    7,898.37/10,901.45 = 5,386.47/x
  3. Step 3: Cross multiply
    7,898.37x = 10,901.45 × 5,386.47
  4. Step 4: Simplify right side
    7,898.37x = 58,720,305.97
  5. Step 5: Solve for x
    x = 58,720,305.97/7,898.37
  6. Step 6: Final answer
    x = 7,434.48

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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.