Home / 7,709.49-10,628.51-4,875.45

Finding the Fourth Proportional to 7,709.49, 10,628.51 and 4,875.45

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Solution

The fourth proportional to 7,709.49, 10,628.51 and 4,875.45 is: 6,721.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,709.49 : 10,628.51 = 4,875.45 : x
  2. Step 2: Convert to fraction form
    7,709.49/10,628.51 = 4,875.45/x
  3. Step 3: Cross multiply
    7,709.49x = 10,628.51 × 4,875.45
  4. Step 4: Simplify right side
    7,709.49x = 51,818,781.27
  5. Step 5: Solve for x
    x = 51,818,781.27/7,709.49
  6. Step 6: Final answer
    x = 6,721.42

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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.