Home / 7,280.79-10,045.88-4,632.09

Finding the Fourth Proportional to 7,280.79, 10,045.88 and 4,632.09

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Solution

The fourth proportional to 7,280.79, 10,045.88 and 4,632.09 is: 6,391.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,280.79 : 10,045.88 = 4,632.09 : x
  2. Step 2: Convert to fraction form
    7,280.79/10,045.88 = 4,632.09/x
  3. Step 3: Cross multiply
    7,280.79x = 10,045.88 × 4,632.09
  4. Step 4: Simplify right side
    7,280.79x = 46,533,397.13
  5. Step 5: Solve for x
    x = 46,533,397.13/7,280.79
  6. Step 6: Final answer
    x = 6,391.26

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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.