Home / 7,142.04-9,849.60-4,787.37

Finding the Fourth Proportional to 7,142.04, 9,849.60 and 4,787.37

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Solution

The fourth proportional to 7,142.04, 9,849.60 and 4,787.37 is: 6,602.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,142.04 : 9,849.60 = 4,787.37 : x
  2. Step 2: Convert to fraction form
    7,142.04/9,849.60 = 4,787.37/x
  3. Step 3: Cross multiply
    7,142.04x = 9,849.60 × 4,787.37
  4. Step 4: Simplify right side
    7,142.04x = 47,153,679.55
  5. Step 5: Solve for x
    x = 47,153,679.55/7,142.04
  6. Step 6: Final answer
    x = 6,602.27

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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.