Home / 7,217.22-9,957.55-4,192.05

Finding the Fourth Proportional to 7,217.22, 9,957.55 and 4,192.05

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Solution

The fourth proportional to 7,217.22, 9,957.55 and 4,192.05 is: 5,783.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.22 : 9,957.55 = 4,192.05 : x
  2. Step 2: Convert to fraction form
    7,217.22/9,957.55 = 4,192.05/x
  3. Step 3: Cross multiply
    7,217.22x = 9,957.55 × 4,192.05
  4. Step 4: Simplify right side
    7,217.22x = 41,742,547.48
  5. Step 5: Solve for x
    x = 41,742,547.48/7,217.22
  6. Step 6: Final answer
    x = 5,783.74

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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.