Home / 7,814.04-10,783.66-4,457.38

Finding the Fourth Proportional to 7,814.04, 10,783.66 and 4,457.38

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Solution

The fourth proportional to 7,814.04, 10,783.66 and 4,457.38 is: 6,151.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,814.04 : 10,783.66 = 4,457.38 : x
  2. Step 2: Convert to fraction form
    7,814.04/10,783.66 = 4,457.38/x
  3. Step 3: Cross multiply
    7,814.04x = 10,783.66 × 4,457.38
  4. Step 4: Simplify right side
    7,814.04x = 48,066,848.35
  5. Step 5: Solve for x
    x = 48,066,848.35/7,814.04
  6. Step 6: Final answer
    x = 6,151.34

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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.