Home / 5,870.73-8,102.40-3,780.93

Finding the Fourth Proportional to 5,870.73, 8,102.40 and 3,780.93

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Solution

The fourth proportional to 5,870.73, 8,102.40 and 3,780.93 is: 5,218.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,870.73 : 8,102.40 = 3,780.93 : x
  2. Step 2: Convert to fraction form
    5,870.73/8,102.40 = 3,780.93/x
  3. Step 3: Cross multiply
    5,870.73x = 8,102.40 × 3,780.93
  4. Step 4: Simplify right side
    5,870.73x = 30,634,607.23
  5. Step 5: Solve for x
    x = 30,634,607.23/5,870.73
  6. Step 6: Final answer
    x = 5,218.19

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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.