Home / 7,195.40-9,928.93-4,210.64

Finding the Fourth Proportional to 7,195.40, 9,928.93 and 4,210.64

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Solution

The fourth proportional to 7,195.40, 9,928.93 and 4,210.64 is: 5,810.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,195.40 : 9,928.93 = 4,210.64 : x
  2. Step 2: Convert to fraction form
    7,195.40/9,928.93 = 4,210.64/x
  3. Step 3: Cross multiply
    7,195.40x = 9,928.93 × 4,210.64
  4. Step 4: Simplify right side
    7,195.40x = 41,807,149.82
  5. Step 5: Solve for x
    x = 41,807,149.82/7,195.40
  6. Step 6: Final answer
    x = 5,810.26

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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.