Home / 9,136.48-12,604.56-6,451.56

Finding the Fourth Proportional to 9,136.48, 12,604.56 and 6,451.56

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Solution

The fourth proportional to 9,136.48, 12,604.56 and 6,451.56 is: 8,900.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,136.48 : 12,604.56 = 6,451.56 : x
  2. Step 2: Convert to fraction form
    9,136.48/12,604.56 = 6,451.56/x
  3. Step 3: Cross multiply
    9,136.48x = 12,604.56 × 6,451.56
  4. Step 4: Simplify right side
    9,136.48x = 81,319,075.11
  5. Step 5: Solve for x
    x = 81,319,075.11/9,136.48
  6. Step 6: Final answer
    x = 8,900.48

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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.