Home / 6,378.34-8,798.61-4,700.02

Finding the Fourth Proportional to 6,378.34, 8,798.61 and 4,700.02

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Solution

The fourth proportional to 6,378.34, 8,798.61 and 4,700.02 is: 6,483.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378.34 : 8,798.61 = 4,700.02 : x
  2. Step 2: Convert to fraction form
    6,378.34/8,798.61 = 4,700.02/x
  3. Step 3: Cross multiply
    6,378.34x = 8,798.61 × 4,700.02
  4. Step 4: Simplify right side
    6,378.34x = 41,353,642.97
  5. Step 5: Solve for x
    x = 41,353,642.97/6,378.34
  6. Step 6: Final answer
    x = 6,483.45

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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.