Home / 8,455.16-11,666.02-5,467.40

Finding the Fourth Proportional to 8,455.16, 11,666.02 and 5,467.40

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Solution

The fourth proportional to 8,455.16, 11,666.02 and 5,467.40 is: 7,543.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,455.16 : 11,666.02 = 5,467.40 : x
  2. Step 2: Convert to fraction form
    8,455.16/11,666.02 = 5,467.40/x
  3. Step 3: Cross multiply
    8,455.16x = 11,666.02 × 5,467.40
  4. Step 4: Simplify right side
    8,455.16x = 63,782,768.58
  5. Step 5: Solve for x
    x = 63,782,768.58/8,455.16
  6. Step 6: Final answer
    x = 7,543.65

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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.