Home / 7,024.37-10,491.45-5,640.41

Finding the Fourth Proportional to 7,024.37, 10,491.45 and 5,640.41

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Solution

The fourth proportional to 7,024.37, 10,491.45 and 5,640.41 is: 8,424.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,024.37 : 10,491.45 = 5,640.41 : x
  2. Step 2: Convert to fraction form
    7,024.37/10,491.45 = 5,640.41/x
  3. Step 3: Cross multiply
    7,024.37x = 10,491.45 × 5,640.41
  4. Step 4: Simplify right side
    7,024.37x = 59,176,070.93
  5. Step 5: Solve for x
    x = 59,176,070.93/7,024.37
  6. Step 6: Final answer
    x = 8,424.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.