Home / 7,814.79-10,784.75-4,457.34

Finding the Fourth Proportional to 7,814.79, 10,784.75 and 4,457.34

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Solution

The fourth proportional to 7,814.79, 10,784.75 and 4,457.34 is: 6,151.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,814.79 : 10,784.75 = 4,457.34 : x
  2. Step 2: Convert to fraction form
    7,814.79/10,784.75 = 4,457.34/x
  3. Step 3: Cross multiply
    7,814.79x = 10,784.75 × 4,457.34
  4. Step 4: Simplify right side
    7,814.79x = 48,071,275.28
  5. Step 5: Solve for x
    x = 48,071,275.28/7,814.79
  6. Step 6: Final answer
    x = 6,151.32

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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.