Home / 6,509.42-8,980.58-4,272.54

Finding the Fourth Proportional to 6,509.42, 8,980.58 and 4,272.54

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Solution

The fourth proportional to 6,509.42, 8,980.58 and 4,272.54 is: 5,894.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,509.42 : 8,980.58 = 4,272.54 : x
  2. Step 2: Convert to fraction form
    6,509.42/8,980.58 = 4,272.54/x
  3. Step 3: Cross multiply
    6,509.42x = 8,980.58 × 4,272.54
  4. Step 4: Simplify right side
    6,509.42x = 38,369,887.27
  5. Step 5: Solve for x
    x = 38,369,887.27/6,509.42
  6. Step 6: Final answer
    x = 5,894.52

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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.