Home / 5,557.16-7,666.29-3,430.91

Finding the Fourth Proportional to 5,557.16, 7,666.29 and 3,430.91

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Solution

The fourth proportional to 5,557.16, 7,666.29 and 3,430.91 is: 4,733.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,557.16 : 7,666.29 = 3,430.91 : x
  2. Step 2: Convert to fraction form
    5,557.16/7,666.29 = 3,430.91/x
  3. Step 3: Cross multiply
    5,557.16x = 7,666.29 × 3,430.91
  4. Step 4: Simplify right side
    5,557.16x = 26,302,312.69
  5. Step 5: Solve for x
    x = 26,302,312.69/5,557.16
  6. Step 6: Final answer
    x = 4,733.05

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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.