Home / 7,317.50-10,914.60-6,133.79

Finding the Fourth Proportional to 7,317.50, 10,914.60 and 6,133.79

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Solution

The fourth proportional to 7,317.50, 10,914.60 and 6,133.79 is: 9,149.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,317.50 : 10,914.60 = 6,133.79 : x
  2. Step 2: Convert to fraction form
    7,317.50/10,914.60 = 6,133.79/x
  3. Step 3: Cross multiply
    7,317.50x = 10,914.60 × 6,133.79
  4. Step 4: Simplify right side
    7,317.50x = 66,947,779.09
  5. Step 5: Solve for x
    x = 66,947,779.09/7,317.50
  6. Step 6: Final answer
    x = 9,149.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.