Home / 5,288.74-7,933.65-1,590.28

Finding the Fourth Proportional to 5,288.74, 7,933.65 and 1,590.28

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Solution

The fourth proportional to 5,288.74, 7,933.65 and 1,590.28 is: 2,385.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.74 : 7,933.65 = 1,590.28 : x
  2. Step 2: Convert to fraction form
    5,288.74/7,933.65 = 1,590.28/x
  3. Step 3: Cross multiply
    5,288.74x = 7,933.65 × 1,590.28
  4. Step 4: Simplify right side
    5,288.74x = 12,616,743.75
  5. Step 5: Solve for x
    x = 12,616,743.75/5,288.74
  6. Step 6: Final answer
    x = 2,385.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.