Home / 4,988.34-7,486.34-1,870.65

Finding the Fourth Proportional to 4,988.34, 7,486.34 and 1,870.65

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Solution

The fourth proportional to 4,988.34, 7,486.34 and 1,870.65 is: 2,807.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.34 : 7,486.34 = 1,870.65 : x
  2. Step 2: Convert to fraction form
    4,988.34/7,486.34 = 1,870.65/x
  3. Step 3: Cross multiply
    4,988.34x = 7,486.34 × 1,870.65
  4. Step 4: Simplify right side
    4,988.34x = 14,004,312.57
  5. Step 5: Solve for x
    x = 14,004,312.57/4,988.34
  6. Step 6: Final answer
    x = 2,807.41

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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.