Home / 5,715.19-7,887.06-3,477.16

Finding the Fourth Proportional to 5,715.19, 7,887.06 and 3,477.16

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Solution

The fourth proportional to 5,715.19, 7,887.06 and 3,477.16 is: 4,798.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.19 : 7,887.06 = 3,477.16 : x
  2. Step 2: Convert to fraction form
    5,715.19/7,887.06 = 3,477.16/x
  3. Step 3: Cross multiply
    5,715.19x = 7,887.06 × 3,477.16
  4. Step 4: Simplify right side
    5,715.19x = 27,424,569.55
  5. Step 5: Solve for x
    x = 27,424,569.55/5,715.19
  6. Step 6: Final answer
    x = 4,798.54

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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.