Home / 6,123.36-9,140.64-5,666.52

Finding the Fourth Proportional to 6,123.36, 9,140.64 and 5,666.52

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Solution

The fourth proportional to 6,123.36, 9,140.64 and 5,666.52 is: 8,458.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,123.36 : 9,140.64 = 5,666.52 : x
  2. Step 2: Convert to fraction form
    6,123.36/9,140.64 = 5,666.52/x
  3. Step 3: Cross multiply
    6,123.36x = 9,140.64 × 5,666.52
  4. Step 4: Simplify right side
    6,123.36x = 51,795,619.37
  5. Step 5: Solve for x
    x = 51,795,619.37/6,123.36
  6. Step 6: Final answer
    x = 8,458.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.