Home / 7,341.29-10,130.89-3,984.08

Finding the Fourth Proportional to 7,341.29, 10,130.89 and 3,984.08

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Solution

The fourth proportional to 7,341.29, 10,130.89 and 3,984.08 is: 5,497.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,341.29 : 10,130.89 = 3,984.08 : x
  2. Step 2: Convert to fraction form
    7,341.29/10,130.89 = 3,984.08/x
  3. Step 3: Cross multiply
    7,341.29x = 10,130.89 × 3,984.08
  4. Step 4: Simplify right side
    7,341.29x = 40,362,276.23
  5. Step 5: Solve for x
    x = 40,362,276.23/7,341.29
  6. Step 6: Final answer
    x = 5,497.98

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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.