Home / 7,605.51-10,500.54-6,807.45

Finding the Fourth Proportional to 7,605.51, 10,500.54 and 6,807.45

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Solution

The fourth proportional to 7,605.51, 10,500.54 and 6,807.45 is: 9,398.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,605.51 : 10,500.54 = 6,807.45 : x
  2. Step 2: Convert to fraction form
    7,605.51/10,500.54 = 6,807.45/x
  3. Step 3: Cross multiply
    7,605.51x = 10,500.54 × 6,807.45
  4. Step 4: Simplify right side
    7,605.51x = 71,481,901.02
  5. Step 5: Solve for x
    x = 71,481,901.02/7,605.51
  6. Step 6: Final answer
    x = 9,398.70

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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.