Home / 7,020.43-9,690.34-4,332.47

Finding the Fourth Proportional to 7,020.43, 9,690.34 and 4,332.47

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Solution

The fourth proportional to 7,020.43, 9,690.34 and 4,332.47 is: 5,980.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.43 : 9,690.34 = 4,332.47 : x
  2. Step 2: Convert to fraction form
    7,020.43/9,690.34 = 4,332.47/x
  3. Step 3: Cross multiply
    7,020.43x = 9,690.34 × 4,332.47
  4. Step 4: Simplify right side
    7,020.43x = 41,983,148.45
  5. Step 5: Solve for x
    x = 41,983,148.45/7,020.43
  6. Step 6: Final answer
    x = 5,980.14

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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.