Home / 6,516.59-9,756.63-3,389.78

Finding the Fourth Proportional to 6,516.59, 9,756.63 and 3,389.78

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Solution

The fourth proportional to 6,516.59, 9,756.63 and 3,389.78 is: 5,075.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,516.59 : 9,756.63 = 3,389.78 : x
  2. Step 2: Convert to fraction form
    6,516.59/9,756.63 = 3,389.78/x
  3. Step 3: Cross multiply
    6,516.59x = 9,756.63 × 3,389.78
  4. Step 4: Simplify right side
    6,516.59x = 33,072,853.63
  5. Step 5: Solve for x
    x = 33,072,853.63/6,516.59
  6. Step 6: Final answer
    x = 5,075.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.