Home / 7,916.76-10,923.36-4,729.20

Finding the Fourth Proportional to 7,916.76, 10,923.36 and 4,729.20

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Solution

The fourth proportional to 7,916.76, 10,923.36 and 4,729.20 is: 6,525.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916.76 : 10,923.36 = 4,729.20 : x
  2. Step 2: Convert to fraction form
    7,916.76/10,923.36 = 4,729.20/x
  3. Step 3: Cross multiply
    7,916.76x = 10,923.36 × 4,729.20
  4. Step 4: Simplify right side
    7,916.76x = 51,658,754.11
  5. Step 5: Solve for x
    x = 51,658,754.11/7,916.76
  6. Step 6: Final answer
    x = 6,525.24

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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.