Home / 7,773.18-10,729.74-4,629.36

Finding the Fourth Proportional to 7,773.18, 10,729.74 and 4,629.36

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Solution

The fourth proportional to 7,773.18, 10,729.74 and 4,629.36 is: 6,390.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,773.18 : 10,729.74 = 4,629.36 : x
  2. Step 2: Convert to fraction form
    7,773.18/10,729.74 = 4,629.36/x
  3. Step 3: Cross multiply
    7,773.18x = 10,729.74 × 4,629.36
  4. Step 4: Simplify right side
    7,773.18x = 49,671,829.17
  5. Step 5: Solve for x
    x = 49,671,829.17/7,773.18
  6. Step 6: Final answer
    x = 6,390.16

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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.