Home / 7,814.23-10,783.94-4,457.59

Finding the Fourth Proportional to 7,814.23, 10,783.94 and 4,457.59

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Solution

The fourth proportional to 7,814.23, 10,783.94 and 4,457.59 is: 6,151.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,814.23 : 10,783.94 = 4,457.59 : x
  2. Step 2: Convert to fraction form
    7,814.23/10,783.94 = 4,457.59/x
  3. Step 3: Cross multiply
    7,814.23x = 10,783.94 × 4,457.59
  4. Step 4: Simplify right side
    7,814.23x = 48,070,360.82
  5. Step 5: Solve for x
    x = 48,070,360.82/7,814.23
  6. Step 6: Final answer
    x = 6,151.64

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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.