Home / 5,064.48-6,990.84-2,970.36

Finding the Fourth Proportional to 5,064.48, 6,990.84 and 2,970.36

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Solution

The fourth proportional to 5,064.48, 6,990.84 and 2,970.36 is: 4,100.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,064.48 : 6,990.84 = 2,970.36 : x
  2. Step 2: Convert to fraction form
    5,064.48/6,990.84 = 2,970.36/x
  3. Step 3: Cross multiply
    5,064.48x = 6,990.84 × 2,970.36
  4. Step 4: Simplify right side
    5,064.48x = 20,765,311.50
  5. Step 5: Solve for x
    x = 20,765,311.50/5,064.48
  6. Step 6: Final answer
    x = 4,100.19

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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.