Home / 7,743.84-10,686.12-4,386.67

Finding the Fourth Proportional to 7,743.84, 10,686.12 and 4,386.67

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Solution

The fourth proportional to 7,743.84, 10,686.12 and 4,386.67 is: 6,053.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,743.84 : 10,686.12 = 4,386.67 : x
  2. Step 2: Convert to fraction form
    7,743.84/10,686.12 = 4,386.67/x
  3. Step 3: Cross multiply
    7,743.84x = 10,686.12 × 4,386.67
  4. Step 4: Simplify right side
    7,743.84x = 46,876,482.02
  5. Step 5: Solve for x
    x = 46,876,482.02/7,743.84
  6. Step 6: Final answer
    x = 6,053.39

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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.