Home / 6,130.60-9,206.70-4,747.30

Finding the Fourth Proportional to 6,130.60, 9,206.70 and 4,747.30

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Solution

The fourth proportional to 6,130.60, 9,206.70 and 4,747.30 is: 7,129.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,130.60 : 9,206.70 = 4,747.30 : x
  2. Step 2: Convert to fraction form
    6,130.60/9,206.70 = 4,747.30/x
  3. Step 3: Cross multiply
    6,130.60x = 9,206.70 × 4,747.30
  4. Step 4: Simplify right side
    6,130.60x = 43,706,966.91
  5. Step 5: Solve for x
    x = 43,706,966.91/6,130.60
  6. Step 6: Final answer
    x = 7,129.31

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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.