Home / 7,814.11-10,783.77-4,457.47

Finding the Fourth Proportional to 7,814.11, 10,783.77 and 4,457.47

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Solution

The fourth proportional to 7,814.11, 10,783.77 and 4,457.47 is: 6,151.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,814.11 : 10,783.77 = 4,457.47 : x
  2. Step 2: Convert to fraction form
    7,814.11/10,783.77 = 4,457.47/x
  3. Step 3: Cross multiply
    7,814.11x = 10,783.77 × 4,457.47
  4. Step 4: Simplify right side
    7,814.11x = 48,068,255.06
  5. Step 5: Solve for x
    x = 48,068,255.06/7,814.11
  6. Step 6: Final answer
    x = 6,151.47

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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.