Home / 6,970.19-9,619.16-4,139.24

Finding the Fourth Proportional to 6,970.19, 9,619.16 and 4,139.24

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Solution

The fourth proportional to 6,970.19, 9,619.16 and 4,139.24 is: 5,712.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,970.19 : 9,619.16 = 4,139.24 : x
  2. Step 2: Convert to fraction form
    6,970.19/9,619.16 = 4,139.24/x
  3. Step 3: Cross multiply
    6,970.19x = 9,619.16 × 4,139.24
  4. Step 4: Simplify right side
    6,970.19x = 39,815,943.05
  5. Step 5: Solve for x
    x = 39,815,943.05/6,970.19
  6. Step 6: Final answer
    x = 5,712.32

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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.