Home / 7,645.78-10,551.29-4,458.99

Finding the Fourth Proportional to 7,645.78, 10,551.29 and 4,458.99

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Solution

The fourth proportional to 7,645.78, 10,551.29 and 4,458.99 is: 6,153.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,645.78 : 10,551.29 = 4,458.99 : x
  2. Step 2: Convert to fraction form
    7,645.78/10,551.29 = 4,458.99/x
  3. Step 3: Cross multiply
    7,645.78x = 10,551.29 × 4,458.99
  4. Step 4: Simplify right side
    7,645.78x = 47,048,096.60
  5. Step 5: Solve for x
    x = 47,048,096.60/7,645.78
  6. Step 6: Final answer
    x = 6,153.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.