Home / 7,738.02-10,678.69-4,201.46

Finding the Fourth Proportional to 7,738.02, 10,678.69 and 4,201.46

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Solution

The fourth proportional to 7,738.02, 10,678.69 and 4,201.46 is: 5,798.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,738.02 : 10,678.69 = 4,201.46 : x
  2. Step 2: Convert to fraction form
    7,738.02/10,678.69 = 4,201.46/x
  3. Step 3: Cross multiply
    7,738.02x = 10,678.69 × 4,201.46
  4. Step 4: Simplify right side
    7,738.02x = 44,866,088.89
  5. Step 5: Solve for x
    x = 44,866,088.89/7,738.02
  6. Step 6: Final answer
    x = 5,798.14

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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.