Home / 7,020.36-9,689.13-4,368.60

Finding the Fourth Proportional to 7,020.36, 9,689.13 and 4,368.60

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Solution

The fourth proportional to 7,020.36, 9,689.13 and 4,368.60 is: 6,029.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.36 : 9,689.13 = 4,368.60 : x
  2. Step 2: Convert to fraction form
    7,020.36/9,689.13 = 4,368.60/x
  3. Step 3: Cross multiply
    7,020.36x = 9,689.13 × 4,368.60
  4. Step 4: Simplify right side
    7,020.36x = 42,327,933.32
  5. Step 5: Solve for x
    x = 42,327,933.32/7,020.36
  6. Step 6: Final answer
    x = 6,029.31

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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.