Home / 6,501.63-8,969.36-4,142.91

Finding the Fourth Proportional to 6,501.63, 8,969.36 and 4,142.91

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Solution

The fourth proportional to 6,501.63, 8,969.36 and 4,142.91 is: 5,715.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,501.63 : 8,969.36 = 4,142.91 : x
  2. Step 2: Convert to fraction form
    6,501.63/8,969.36 = 4,142.91/x
  3. Step 3: Cross multiply
    6,501.63x = 8,969.36 × 4,142.91
  4. Step 4: Simplify right side
    6,501.63x = 37,159,230.52
  5. Step 5: Solve for x
    x = 37,159,230.52/6,501.63
  6. Step 6: Final answer
    x = 5,715.37

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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.