Home / 4,574.46-6,312.81-2,478.58

Finding the Fourth Proportional to 4,574.46, 6,312.81 and 2,478.58

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Solution

The fourth proportional to 4,574.46, 6,312.81 and 2,478.58 is: 3,420.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,574.46 : 6,312.81 = 2,478.58 : x
  2. Step 2: Convert to fraction form
    4,574.46/6,312.81 = 2,478.58/x
  3. Step 3: Cross multiply
    4,574.46x = 6,312.81 × 2,478.58
  4. Step 4: Simplify right side
    4,574.46x = 15,646,804.61
  5. Step 5: Solve for x
    x = 15,646,804.61/4,574.46
  6. Step 6: Final answer
    x = 3,420.47

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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.