Home / 6,970.04-9,619.31-3,985.29

Finding the Fourth Proportional to 6,970.04, 9,619.31 and 3,985.29

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Solution

The fourth proportional to 6,970.04, 9,619.31 and 3,985.29 is: 5,500.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,970.04 : 9,619.31 = 3,985.29 : x
  2. Step 2: Convert to fraction form
    6,970.04/9,619.31 = 3,985.29/x
  3. Step 3: Cross multiply
    6,970.04x = 9,619.31 × 3,985.29
  4. Step 4: Simplify right side
    6,970.04x = 38,335,739.95
  5. Step 5: Solve for x
    x = 38,335,739.95/6,970.04
  6. Step 6: Final answer
    x = 5,500.07

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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.