Home / 6,455.54-8,911.35-5,465.94

Finding the Fourth Proportional to 6,455.54, 8,911.35 and 5,465.94

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Solution

The fourth proportional to 6,455.54, 8,911.35 and 5,465.94 is: 7,545.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,455.54 : 8,911.35 = 5,465.94 : x
  2. Step 2: Convert to fraction form
    6,455.54/8,911.35 = 5,465.94/x
  3. Step 3: Cross multiply
    6,455.54x = 8,911.35 × 5,465.94
  4. Step 4: Simplify right side
    6,455.54x = 48,708,904.42
  5. Step 5: Solve for x
    x = 48,708,904.42/6,455.54
  6. Step 6: Final answer
    x = 7,545.29

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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.