Home / 5,784.39-7,985.52-4,455.18

Finding the Fourth Proportional to 5,784.39, 7,985.52 and 4,455.18

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Solution

The fourth proportional to 5,784.39, 7,985.52 and 4,455.18 is: 6,150.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,784.39 : 7,985.52 = 4,455.18 : x
  2. Step 2: Convert to fraction form
    5,784.39/7,985.52 = 4,455.18/x
  3. Step 3: Cross multiply
    5,784.39x = 7,985.52 × 4,455.18
  4. Step 4: Simplify right side
    5,784.39x = 35,576,928.99
  5. Step 5: Solve for x
    x = 35,576,928.99/5,784.39
  6. Step 6: Final answer
    x = 6,150.51

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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.