Home / 7,280.82-10,037.36-6,157.24

Finding the Fourth Proportional to 7,280.82, 10,037.36 and 6,157.24

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Solution

The fourth proportional to 7,280.82, 10,037.36 and 6,157.24 is: 8,488.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.82 : 10,037.36 = 6,157.24 : x
  2. Step 2: Convert to fraction form
    7,280.82/10,037.36 = 6,157.24/x
  3. Step 3: Cross multiply
    7,280.82x = 10,037.36 × 6,157.24
  4. Step 4: Simplify right side
    7,280.82x = 61,802,434.49
  5. Step 5: Solve for x
    x = 61,802,434.49/7,280.82
  6. Step 6: Final answer
    x = 8,488.39

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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.