Home / 5,205.36-7,807.53-2,864.60

Finding the Fourth Proportional to 5,205.36, 7,807.53 and 2,864.60

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Solution

The fourth proportional to 5,205.36, 7,807.53 and 2,864.60 is: 4,296.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205.36 : 7,807.53 = 2,864.60 : x
  2. Step 2: Convert to fraction form
    5,205.36/7,807.53 = 2,864.60/x
  3. Step 3: Cross multiply
    5,205.36x = 7,807.53 × 2,864.60
  4. Step 4: Simplify right side
    5,205.36x = 22,365,411.40
  5. Step 5: Solve for x
    x = 22,365,411.40/5,205.36
  6. Step 6: Final answer
    x = 4,296.61

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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.