Home / 10,558.41-15,838.02-4,715.07

Finding the Fourth Proportional to 10,558.41, 15,838.02 and 4,715.07

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Solution

The fourth proportional to 10,558.41, 15,838.02 and 4,715.07 is: 7,072.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,558.41 : 15,838.02 = 4,715.07 : x
  2. Step 2: Convert to fraction form
    10,558.41/15,838.02 = 4,715.07/x
  3. Step 3: Cross multiply
    10,558.41x = 15,838.02 × 4,715.07
  4. Step 4: Simplify right side
    10,558.41x = 74,677,372.96
  5. Step 5: Solve for x
    x = 74,677,372.96/10,558.41
  6. Step 6: Final answer
    x = 7,072.79

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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.