Home / 6,646.89-9,970.36-1,716.19

Finding the Fourth Proportional to 6,646.89, 9,970.36 and 1,716.19

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Solution

The fourth proportional to 6,646.89, 9,970.36 and 1,716.19 is: 2,574.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,646.89 : 9,970.36 = 1,716.19 : x
  2. Step 2: Convert to fraction form
    6,646.89/9,970.36 = 1,716.19/x
  3. Step 3: Cross multiply
    6,646.89x = 9,970.36 × 1,716.19
  4. Step 4: Simplify right side
    6,646.89x = 17,110,982.28
  5. Step 5: Solve for x
    x = 17,110,982.28/6,646.89
  6. Step 6: Final answer
    x = 2,574.29

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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.