Home / 6,485.34-9,709.65-5,041.38

Finding the Fourth Proportional to 6,485.34, 9,709.65 and 5,041.38

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Solution

The fourth proportional to 6,485.34, 9,709.65 and 5,041.38 is: 7,547.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,485.34 : 9,709.65 = 5,041.38 : x
  2. Step 2: Convert to fraction form
    6,485.34/9,709.65 = 5,041.38/x
  3. Step 3: Cross multiply
    6,485.34x = 9,709.65 × 5,041.38
  4. Step 4: Simplify right side
    6,485.34x = 48,950,035.32
  5. Step 5: Solve for x
    x = 48,950,035.32/6,485.34
  6. Step 6: Final answer
    x = 7,547.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.