Home / 5,053.80-7,580.70-2,587.80

Finding the Fourth Proportional to 5,053.80, 7,580.70 and 2,587.80

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Solution

The fourth proportional to 5,053.80, 7,580.70 and 2,587.80 is: 3,881.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,053.80 : 7,580.70 = 2,587.80 : x
  2. Step 2: Convert to fraction form
    5,053.80/7,580.70 = 2,587.80/x
  3. Step 3: Cross multiply
    5,053.80x = 7,580.70 × 2,587.80
  4. Step 4: Simplify right side
    5,053.80x = 19,617,335.46
  5. Step 5: Solve for x
    x = 19,617,335.46/5,053.80
  6. Step 6: Final answer
    x = 3,881.70

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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.