Home / 4,970.34-7,457.58-1,681.65

Finding the Fourth Proportional to 4,970.34, 7,457.58 and 1,681.65

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Solution

The fourth proportional to 4,970.34, 7,457.58 and 1,681.65 is: 2,523.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,970.34 : 7,457.58 = 1,681.65 : x
  2. Step 2: Convert to fraction form
    4,970.34/7,457.58 = 1,681.65/x
  3. Step 3: Cross multiply
    4,970.34x = 7,457.58 × 1,681.65
  4. Step 4: Simplify right side
    4,970.34x = 12,541,039.41
  5. Step 5: Solve for x
    x = 12,541,039.41/4,970.34
  6. Step 6: Final answer
    x = 2,523.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.