Home / 6,646.41-9,172.50-4,130.13

Finding the Fourth Proportional to 6,646.41, 9,172.50 and 4,130.13

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Solution

The fourth proportional to 6,646.41, 9,172.50 and 4,130.13 is: 5,699.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,646.41 : 9,172.50 = 4,130.13 : x
  2. Step 2: Convert to fraction form
    6,646.41/9,172.50 = 4,130.13/x
  3. Step 3: Cross multiply
    6,646.41x = 9,172.50 × 4,130.13
  4. Step 4: Simplify right side
    6,646.41x = 37,883,617.43
  5. Step 5: Solve for x
    x = 37,883,617.43/6,646.41
  6. Step 6: Final answer
    x = 5,699.86

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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.