Home / 5,349.48-8,030.70-4,986.60

Finding the Fourth Proportional to 5,349.48, 8,030.70 and 4,986.60

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Solution

The fourth proportional to 5,349.48, 8,030.70 and 4,986.60 is: 7,485.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,349.48 : 8,030.70 = 4,986.60 : x
  2. Step 2: Convert to fraction form
    5,349.48/8,030.70 = 4,986.60/x
  3. Step 3: Cross multiply
    5,349.48x = 8,030.70 × 4,986.60
  4. Step 4: Simplify right side
    5,349.48x = 40,045,888.62
  5. Step 5: Solve for x
    x = 40,045,888.62/5,349.48
  6. Step 6: Final answer
    x = 7,485.94

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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.