Home / 7,555.47-10,424.67-4,718.45

Finding the Fourth Proportional to 7,555.47, 10,424.67 and 4,718.45

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Solution

The fourth proportional to 7,555.47, 10,424.67 and 4,718.45 is: 6,510.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,555.47 : 10,424.67 = 4,718.45 : x
  2. Step 2: Convert to fraction form
    7,555.47/10,424.67 = 4,718.45/x
  3. Step 3: Cross multiply
    7,555.47x = 10,424.67 × 4,718.45
  4. Step 4: Simplify right side
    7,555.47x = 49,188,232.04
  5. Step 5: Solve for x
    x = 49,188,232.04/7,555.47
  6. Step 6: Final answer
    x = 6,510.28

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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.