Home / 7,643.35-10,547.81-4,456.77

Finding the Fourth Proportional to 7,643.35, 10,547.81 and 4,456.77

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Solution

The fourth proportional to 7,643.35, 10,547.81 and 4,456.77 is: 6,150.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,643.35 : 10,547.81 = 4,456.77 : x
  2. Step 2: Convert to fraction form
    7,643.35/10,547.81 = 4,456.77/x
  3. Step 3: Cross multiply
    7,643.35x = 10,547.81 × 4,456.77
  4. Step 4: Simplify right side
    7,643.35x = 47,009,177.38
  5. Step 5: Solve for x
    x = 47,009,177.38/7,643.35
  6. Step 6: Final answer
    x = 6,150.34

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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.