Home / 7,824.96-10,798.65-4,421.70

Finding the Fourth Proportional to 7,824.96, 10,798.65 and 4,421.70

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Solution

The fourth proportional to 7,824.96, 10,798.65 and 4,421.70 is: 6,102.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824.96 : 10,798.65 = 4,421.70 : x
  2. Step 2: Convert to fraction form
    7,824.96/10,798.65 = 4,421.70/x
  3. Step 3: Cross multiply
    7,824.96x = 10,798.65 × 4,421.70
  4. Step 4: Simplify right side
    7,824.96x = 47,748,390.71
  5. Step 5: Solve for x
    x = 47,748,390.71/7,824.96
  6. Step 6: Final answer
    x = 6,102.06

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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.