Home / 5,358.15-7,390.69-4,237.31

Finding the Fourth Proportional to 5,358.15, 7,390.69 and 4,237.31

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Solution

The fourth proportional to 5,358.15, 7,390.69 and 4,237.31 is: 5,844.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,358.15 : 7,390.69 = 4,237.31 : x
  2. Step 2: Convert to fraction form
    5,358.15/7,390.69 = 4,237.31/x
  3. Step 3: Cross multiply
    5,358.15x = 7,390.69 × 4,237.31
  4. Step 4: Simplify right side
    5,358.15x = 31,316,676.36
  5. Step 5: Solve for x
    x = 31,316,676.36/5,358.15
  6. Step 6: Final answer
    x = 5,844.68

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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.