Home / 5,431.58-7,501.74-3,660.11

Finding the Fourth Proportional to 5,431.58, 7,501.74 and 3,660.11

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Solution

The fourth proportional to 5,431.58, 7,501.74 and 3,660.11 is: 5,055.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.58 : 7,501.74 = 3,660.11 : x
  2. Step 2: Convert to fraction form
    5,431.58/7,501.74 = 3,660.11/x
  3. Step 3: Cross multiply
    5,431.58x = 7,501.74 × 3,660.11
  4. Step 4: Simplify right side
    5,431.58x = 27,457,156.08
  5. Step 5: Solve for x
    x = 27,457,156.08/5,431.58
  6. Step 6: Final answer
    x = 5,055.10

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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.