Home / 4,643.37-6,407.78-2,547.45

Finding the Fourth Proportional to 4,643.37, 6,407.78 and 2,547.45

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Solution

The fourth proportional to 4,643.37, 6,407.78 and 2,547.45 is: 3,515.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,643.37 : 6,407.78 = 2,547.45 : x
  2. Step 2: Convert to fraction form
    4,643.37/6,407.78 = 2,547.45/x
  3. Step 3: Cross multiply
    4,643.37x = 6,407.78 × 2,547.45
  4. Step 4: Simplify right side
    4,643.37x = 16,323,486.42
  5. Step 5: Solve for x
    x = 16,323,486.42/4,643.37
  6. Step 6: Final answer
    x = 3,515.44

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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.