Home / 8,946.95-13,421.66-5,200.47

Finding the Fourth Proportional to 8,946.95, 13,421.66 and 5,200.47

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Solution

The fourth proportional to 8,946.95, 13,421.66 and 5,200.47 is: 7,801.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,946.95 : 13,421.66 = 5,200.47 : x
  2. Step 2: Convert to fraction form
    8,946.95/13,421.66 = 5,200.47/x
  3. Step 3: Cross multiply
    8,946.95x = 13,421.66 × 5,200.47
  4. Step 4: Simplify right side
    8,946.95x = 69,798,914.18
  5. Step 5: Solve for x
    x = 69,798,914.18/8,946.95
  6. Step 6: Final answer
    x = 7,801.42

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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.