Home / 4,988.18-7,485.01-1,870.29

Finding the Fourth Proportional to 4,988.18, 7,485.01 and 1,870.29

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Solution

The fourth proportional to 4,988.18, 7,485.01 and 1,870.29 is: 2,806.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.18 : 7,485.01 = 1,870.29 : x
  2. Step 2: Convert to fraction form
    4,988.18/7,485.01 = 1,870.29/x
  3. Step 3: Cross multiply
    4,988.18x = 7,485.01 × 1,870.29
  4. Step 4: Simplify right side
    4,988.18x = 13,999,134.68
  5. Step 5: Solve for x
    x = 13,999,134.68/4,988.18
  6. Step 6: Final answer
    x = 2,806.46

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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.