Home / 5,126.00-7,688.63-1,615.76

Finding the Fourth Proportional to 5,126.00, 7,688.63 and 1,615.76

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Solution

The fourth proportional to 5,126.00, 7,688.63 and 1,615.76 is: 2,423.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.00 : 7,688.63 = 1,615.76 : x
  2. Step 2: Convert to fraction form
    5,126.00/7,688.63 = 1,615.76/x
  3. Step 3: Cross multiply
    5,126.00x = 7,688.63 × 1,615.76
  4. Step 4: Simplify right side
    5,126.00x = 12,422,946.41
  5. Step 5: Solve for x
    x = 12,422,946.41/5,126.00
  6. Step 6: Final answer
    x = 2,423.52

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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.