Home / 4,869.13-7,302.15-1,581.45

Finding the Fourth Proportional to 4,869.13, 7,302.15 and 1,581.45

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Solution

The fourth proportional to 4,869.13, 7,302.15 and 1,581.45 is: 2,371.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,869.13 : 7,302.15 = 1,581.45 : x
  2. Step 2: Convert to fraction form
    4,869.13/7,302.15 = 1,581.45/x
  3. Step 3: Cross multiply
    4,869.13x = 7,302.15 × 1,581.45
  4. Step 4: Simplify right side
    4,869.13x = 11,547,985.12
  5. Step 5: Solve for x
    x = 11,547,985.12/4,869.13
  6. Step 6: Final answer
    x = 2,371.67

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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.