Home / 10,307.76-15,461.91-2,913

Finding the Fourth Proportional to 10,307.76, 15,461.91 and 2,913

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Solution

The fourth proportional to 10,307.76, 15,461.91 and 2,913 is: 4,369.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,307.76 : 15,461.91 = 2,913 : x
  2. Step 2: Convert to fraction form
    10,307.76/15,461.91 = 2,913/x
  3. Step 3: Cross multiply
    10,307.76x = 15,461.91 × 2,913
  4. Step 4: Simplify right side
    10,307.76x = 45,040,543.83
  5. Step 5: Solve for x
    x = 45,040,543.83/10,307.76
  6. Step 6: Final answer
    x = 4,369.58

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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.