Home / 9,210.42-12,708.63-5,230.08

Finding the Fourth Proportional to 9,210.42, 12,708.63 and 5,230.08

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Solution

The fourth proportional to 9,210.42, 12,708.63 and 5,230.08 is: 7,216.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.42 : 12,708.63 = 5,230.08 : x
  2. Step 2: Convert to fraction form
    9,210.42/12,708.63 = 5,230.08/x
  3. Step 3: Cross multiply
    9,210.42x = 12,708.63 × 5,230.08
  4. Step 4: Simplify right side
    9,210.42x = 66,467,151.59
  5. Step 5: Solve for x
    x = 66,467,151.59/9,210.42
  6. Step 6: Final answer
    x = 7,216.52

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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.