Home / 7,225.23-9,970.90-4,242.02

Finding the Fourth Proportional to 7,225.23, 9,970.90 and 4,242.02

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Solution

The fourth proportional to 7,225.23, 9,970.90 and 4,242.02 is: 5,854.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,225.23 : 9,970.90 = 4,242.02 : x
  2. Step 2: Convert to fraction form
    7,225.23/9,970.90 = 4,242.02/x
  3. Step 3: Cross multiply
    7,225.23x = 9,970.90 × 4,242.02
  4. Step 4: Simplify right side
    7,225.23x = 42,296,752.84
  5. Step 5: Solve for x
    x = 42,296,752.84/7,225.23
  6. Step 6: Final answer
    x = 5,854.04

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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.