Home / 8,537.47-11,782.67-5,181.10

Finding the Fourth Proportional to 8,537.47, 11,782.67 and 5,181.10

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Solution

The fourth proportional to 8,537.47, 11,782.67 and 5,181.10 is: 7,150.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,537.47 : 11,782.67 = 5,181.10 : x
  2. Step 2: Convert to fraction form
    8,537.47/11,782.67 = 5,181.10/x
  3. Step 3: Cross multiply
    8,537.47x = 11,782.67 × 5,181.10
  4. Step 4: Simplify right side
    8,537.47x = 61,047,136.17
  5. Step 5: Solve for x
    x = 61,047,136.17/8,537.47
  6. Step 6: Final answer
    x = 7,150.50

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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.